Declension table of ?dṛṣṭāntavat

Masculine	Singular	Dual	Plural
Nominative	dṛṣṭāntavān	dṛṣṭāntavantau	dṛṣṭāntavantaḥ
Vocative	dṛṣṭāntavan	dṛṣṭāntavantau	dṛṣṭāntavantaḥ
Accusative	dṛṣṭāntavantam	dṛṣṭāntavantau	dṛṣṭāntavataḥ
Instrumental	dṛṣṭāntavatā	dṛṣṭāntavadbhyām	dṛṣṭāntavadbhiḥ
Dative	dṛṣṭāntavate	dṛṣṭāntavadbhyām	dṛṣṭāntavadbhyaḥ
Ablative	dṛṣṭāntavataḥ	dṛṣṭāntavadbhyām	dṛṣṭāntavadbhyaḥ
Genitive	dṛṣṭāntavataḥ	dṛṣṭāntavatoḥ	dṛṣṭāntavatām
Locative	dṛṣṭāntavati	dṛṣṭāntavatoḥ	dṛṣṭāntavatsu

Compound dṛṣṭāntavat -

Adverb -dṛṣṭāntavantam